Skip to main content

Table 4 Results of t-test comparison between the unthinned and thinned settings (physical environment)

From: The effect of slight thinning of managed coniferous forest on landscape appreciation and psychological restoration

Item   Unthinned   Thinned   t p   r
   Mean S.D. Mean S.D.     
Temperature (°C) n = 50 17.1 ±2.52 18.6 ±0.92 2.90 0.006 ** 0.383
Relative humidity (%) 37.7 ±20.42 92.4 ±4.64 13.70 0.000 ** 0.891
Wind velocity (m/s) 0.30 ±0.19 0.16 ±0.13 4.92 0.000 * 0.576
Radiant heat (°C) 21.8 ±2.84 18.8 ±1.05 2.19 0.034 ** 0.299
Illuminance (Lux) n = 119 668.4 ±236.86 335.6 ±171.84 8.23 0.000 ** 0.604
Sound pressure (dB) L.O. up to 45.5   L.O. up to 46.1  
  1. L.O. shows the measurement limit (less than 40 dB) of the sound-level meter. The dB was listed from the minimum (measurement limit) to the maximum (actual number) as information of the sound pressure
  2. **p < 0.01, *p < 0.05, paired t-test